In a certain day, many Gods decided to join humans to form familias, but lost their powers as a drawback, but among them, one stands out: Cú Chulainn, the Celtic Pantheon Lawless Demigod, due to his nature, he didn't lose his power, instead, continued in his apex, he decided to not make any familia for unknown reasons, one day, he meets Bell Cranel, and decides to tag along him since he recognised him as Argonaut's reincarnation, with this, he begins a journey with Hestia familia.
A/N: This isn't a y/n story, instead, it is a crossover of a character from another universe in Danmachi.
"You're different from what I expected," she said softly.
"How so?" he asked, glancing at her.
"I don't know," she replied, searching for the right words. "You just... have this way of making people feel like they matter. Even here, in this... nightmare."
He was quiet for a moment before responding. "You matter, Y/n. Don't forget that."
OR
Y/n wakes up in the deadly Squid Game, surrounded by strangers and fighting to survive. What she doesn't know is that the mysterious Frontman is watching her every move through the cameras- and she's caught his attention.